package com.atguigu.gulimall.auth.controller;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.constant.AuthServerConstant;
import com.atguigu.common.utils.HttpUtils;
import com.atguigu.common.utils.R;
import com.atguigu.gulimall.auth.feign.MemberFeignService;
import com.atguigu.common.vo.MemberRespVo;
import com.atguigu.gulimall.auth.vo.SocialUser;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;

import javax.servlet.http.HttpSession;
import java.util.HashMap;
import java.util.Map;

@Controller
public class OAuth2Controller {

    @Autowired
    MemberFeignService memberFeignService;

    @GetMapping("/oauth2.0/weibo/success")
    public String weibo(@RequestParam(value = "code") String code, HttpSession session) throws Exception {
        Map<String,String> map=new HashMap<>();
        map.put("client_id","3596922255");
        map.put("client_secret","c0aac3a972909caed6d7fe6379474304");
        map.put("grant_type","authorization_code");
        map.put("code",code);
        map.put("redirect_uri","http://auth.gulimall.com/oauth2.0/weibo/success");
        HttpResponse response = HttpUtils.doPost("https://api.weibo.com", "/oauth2/access_token", "post", new HashMap<String,String>(), null, map);
        if(response.getStatusLine().getStatusCode()!=200){
            return "redirect:http://auth.gulimall.com/login.html";
        }
        String s = EntityUtils.toString(response.getEntity());
        SocialUser socialUser = JSON.parseObject(s, SocialUser.class);
        R oauthlogin = memberFeignService.oauthlogin(socialUser);
        if(oauthlogin.getCode()!=0){
            return "redirect:http://auth.gulimall.com/login.html";
        }
        MemberRespVo data = oauthlogin.getData(new TypeReference<MemberRespVo>() {});
        // TODO: 2020/11/25 解决子域session共享问题 
        // TODO: 2020/11/25 使用json序列化
        session.setAttribute(AuthServerConstant.LOGIN_USER,data);
        return "redirect:http://gulimall.com";
    }
}
